EP2760364A1 - Medical waste containers and lids therefore - Google Patents

Medical waste containers and lids therefore

Info

Publication number
EP2760364A1
EP2760364A1 EP12767158.4A EP12767158A EP2760364A1 EP 2760364 A1 EP2760364 A1 EP 2760364A1 EP 12767158 A EP12767158 A EP 12767158A EP 2760364 A1 EP2760364 A1 EP 2760364A1
Authority
EP
European Patent Office
Prior art keywords
lid body
cap portion
waste container
opening
slot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12767158.4A
Other languages
German (de)
French (fr)
Other versions
EP2760364B1 (en
Inventor
Kenneth O. Stark
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Becton Dickinson and Co
Original Assignee
Becton Dickinson and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Becton Dickinson and Co filed Critical Becton Dickinson and Co
Publication of EP2760364A1 publication Critical patent/EP2760364A1/en
Application granted granted Critical
Publication of EP2760364B1 publication Critical patent/EP2760364B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
    • A61B50/36—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for collecting or disposing of used articles
    • A61B50/362—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for collecting or disposing of used articles for sharps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/16—Devices preventing loss of removable closure members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/02—Refuse receptacles; Accessories therefor without removable inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F1/16—Lids or covers
    • B65F1/1607—Lids or covers with filling openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F1/16—Lids or covers
    • B65F1/1615—Lids or covers with means for locking, fastening or permanently closing thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B2050/005—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover
    • A61B2050/0058—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover closable by translation
    • A61B2050/0059—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover closable by translation parallel to the lid plane
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B2050/005—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover
    • A61B2050/0067—Types of closures or fasteners
    • A61B2050/0082—Rib-and-groove connection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B2050/005—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover
    • A61B2050/0067—Types of closures or fasteners
    • A61B2050/0084—Tabs inserted into slots
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B2050/005—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover
    • A61B2050/0089—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover having permanent closure means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F2001/1653—Constructional features of lids or covers
    • B65F2001/1676—Constructional features of lids or covers relating to means for sealing the lid or cover, e.g. against escaping odors

Definitions

  • the present invention relates to medical waste disposal containers and lids for such containers, particularly containers for used sharp medical devices, which may require temporary and permanent closure.
  • the containers are normally designed to prevent the removal of materials from the container under ordinary circumstances until permanently closed.
  • Commonly used Horizontal Entry Opening containers which accommodate a counter-balance door restrict human access to the contents of the container by creating a torturous path when a person attempts to put their hand into the container.
  • this same restricted access can prohibit the disposal of certain objects through the opening. Any object disposed of must impact the counter-balanced door and the weight of the disposed item will rotate the door moving it out of the opening and allowing the item to drop into the container. This creates an opportunity for very light, unusually shaped or sticky items to become hung up on the door warranting additional manipulation from the user to finish the disposal of the item increasing the risk of danger to the user from contamination or needle sticks.
  • One or more embodiments are directed to waste containers comprising a base and a lid assembly.
  • the base has a bottom wall, a side wall extending upwardly from the bottom wall and defining a receptacle for receiving medical waste.
  • the lid assembly includes a lid body configured for assembly to the base and a cap portion.
  • the cap portion is connected to the lid body and covers an opening in the lid body. The opening being sized to accept medical waste and restrict access to prevent individuals from reaching into the waste container through the opening.
  • a tether slidably connects the cap portion to the lid body.
  • a slot is in the lid body to permit slidable movement of the tether through the slot such the cap can be moved from a resting position such that the opening is configured for receiving waste to a closed position such that the cap portion covers the opening.
  • the cap portion and tether are integrally formed.
  • the lid assembly is made of a thermoplastic material.
  • the opening is located in a forward portion of the lid body and the slot is located in a rearward portion of the lid body.
  • the tether engages the slot such that the cap portion is permitted to move forwardly and rearwardly.
  • the lid body includes a raised surface extending from an upper surface of the lid body that engages the cap portion when the cap portion is in the resting position.
  • the cap portion includes a recess configured to engage the raised surface.
  • the forward portion and the rearward portion are tilted relative to each other.
  • the slot is located adjacent the raised surface.
  • the slot is located within the raised surface.
  • the raised surface defines a notched area, and the slot is located within the notched area.
  • the opening is surrounded by a raised peripheral lip extending from an upper surface of the lid body, and the cap portion includes a peripheral channel to engage the raised peripheral lip.
  • the cap portion includes at least a pair of locking tabs and lid body includes at least a pair of slits positioned to accept the locking tabs to lock the cap portion in a closed position.
  • the locking tabs include radially projecting fins sized to provide an interference fit when sliding through the slits into the closed position and prevent removal of the cap portion from the lid body.
  • the waste container lid assembly comprises a cap portion connecting to the lid body that covers an opening in the lid body, the opening located in a forward portion of the lid body and sized to accept medical waste and restrict access to prevent individuals from reaching into the waste container through the opening.
  • a tether engages the slot and slidably connecting the cap portion to the lid body, permitting the cap portion to move forwardly and rearwardly.
  • the lid body includes a raised surface extending from an upper surface of the lid body that engages the cap portion when the cap portion is in the resting position.
  • the cap portion includes a recess configured to engage the raised surface.
  • the raised surface defines a notched area, and the slot is located within the notched area.
  • the opening is surrounded by a raised peripheral lip extending from an upper surface of the lid body, and the cap portion includes a peripheral channel to engage the raised peripheral lip.
  • the cap portion includes at least a pair of locking tabs and lid body includes at least a pair of slits positioned to accept the locking tabs to lock the cap portion in a closed position.
  • the locking tabs include radially projecting fins sized to provide an interference fit when sliding through the slits into the closed position and prevent removal of the cap portion from the lid body.
  • FIG. 1 is a top front perspective view of a medical waste container with a lid assembly according to one or more embodiments in which the cap portion is in the open resting position;
  • FIG. 2 is a top rear perspective view of a medical waste container lid assembly according to one or more embodiments with the cap portion in the open resting position;
  • FIG. 3 is a top front perspective view of a waste container lid assembly with the cap portion in the closed position;
  • FIG. 4 is a bottom front perspective view of a cap portion of a lid assembly in accordance with one or more embodiments of the invention.
  • FIG. 5 is a top rear perspective view of a cap portion of a lid assembly in accordance with one or more embodiments of the invention.
  • Embodiments of the invention are directed to medical waste container tops and closures with a redesigned access opening which fits existing sharps collector bases for a patient room sharps collector.
  • the closure of various embodiments is retained to the top via a tether near, but not over, the opening allowing unobstructed access to the opening during use.
  • the top, with closure may be snapped onto a base which is then placed into a patient room wall mounted cabinet or bracket.
  • the opening is accessible for one handed disposal of sharps and medical waste during normal use. After the collector is full, the closure is snapped and locked over the opening for disposal.
  • Embodiments of the invention are intended for vertical disposal of sharps waste as opposed to horizontal disposal.
  • a syringe can be disposed of by dropping the syringe (e.g., point first) into the collector as opposed to a horizontal orientation as in alternate designs.
  • the smaller open vertical entry design restricts human access to the contents by having a reduced opening size large enough for disposal of sharps and medical waste, but small enough to prohibit the insertion of hands.
  • the straight through design of the vertical entry opening allows for the free fall disposal of items when disposed of into the container. Items such as blood collection units with tubing attached can be fed into the opening and dropped without the need for additional manipulation from the user. By eliminating the horizontal entry counter-balanced door and utilizing the straight through vertical entry, there is nothing present which may impede disposal of certain items. Many users have higher disposal rates of unusually shaped devices and need to be able to dispose of the items in a consistent and safe manner.
  • FIGS. 1-5 show an exemplary embodiment a waste container lid assembly 100.
  • the lid assembly 100 is configured for assembly to a base 200.
  • the base 200 includes a bottom wall 202, at least one side wall 204 extending upwardly from the bottom wall 202.
  • the at least one side wall 204 and the bottom wall 202 forming and defining a receptacle suitable for receiving medical waste.
  • the bottom wall 202 and at least one side wall 204 of the base 200 can be integrally formed so that the base appears to be an integrally formed single unit. Any suitable base 200 can be employed and it should be understood that the invention is not limited to any particular style or material.
  • the lid assembly 100 is composed of two main parts, a lid body 110 and a cap portion 140.
  • the cap portion 140 is connected to the lid body 110 and, in one position, covers an opening 112 in the lid body 110.
  • the opening 112 is sized to accept medical waste and restrict access to prevent individuals from reaching into the waste container through the opening 112.
  • the opening 112 can be any suitable size or shape.
  • the opening 112 shown in the Figures is oval shaped.
  • the opening 112 is round, oval, square, rectangular, oblong, trapezoidal, rhomboid, rectangular with rounded corners. It should be understood that these shapes are merely illustrative of possible openings and that other shapes may be employed.
  • the lid body 110 and the cap portion 140 are connected by a tether 150.
  • the tether 150 can be integrally formed with the cap portion 140, as shown in FIGS. 4 and 5, or can be separate components with a suitable connection.
  • the tether 150 slidably connects the cap portion 150 to the lid body 110 via a slot 114 in the lid body 110.
  • the tether is sized to allow the cap to slide between the open or resting position in FIG. 1 and the closed position in FIG. 3.
  • the slot permits slidable movement of the tether 150 through the slot such that the cap portion 140 can be moved from a resting position 116 to a closed position 118. As shown in FIGS.
  • the tether 150 may include a barb 152 suitable for preventing the cap portion 140 from becoming disconnected from the lid body 110.
  • the barb 152 of some embodiments has a tapered shape with a narrow end 154 flaring to a wide portion 156.
  • the wide portion 156 being sized slightly larger than the slot 114. This enables the tether to be inserted through the slot 114 from the narrow end 154 and prevents the tether 150 from being completely removed from the slot 114 by interaction of the wide portion 156 with the slot 114.
  • This barb 152 may also be referred to as a bayonet style locking tab.
  • the cap portion 140 In the resting position 116 (see FIG. 1), the cap portion 140 is positioned such that the opening 112 is configured for received waste. In some embodiments, when the cap portion 140 is positioned in the resting position 116, the opening 112 is unobstructed by the cap portion 140. In the closed position 118, the cap portion 140 covers the opening 112. In detailed embodiments, in the closed position 118, the cap portion 140 covers the opening 112 and substantially completely obstructs the opening and permanently closes the lid assembly, preventing access to the contents of the base 200.
  • permanently closing refers to a condition in which the contents of the container cannot be accessed through the opening without using either a tool specifically designed to remove the cap portion 140 from the opening 112 or requiring the substantial destruction of at least a portion of the lid assembly.
  • permanently closing is intended to lock the container to prevent unauthorized access of the container after it has been locked by a medical practitioner and the container is ready for disposal.
  • the opening 112 is located in a forward portion 120 of the lid body 110 and the slot 114 is located in a rearward portion 122 of the lid body 110.
  • the opening 112 is a hole through the major plane of the forward portion 120 and the slot is an elongate hole in the major plane of the rearward portion 122 of the lid body 110.
  • the tether 150 engages the slot 114 such that the cap portion 140 is permitted to move forwardly and rearwardly along path 113.
  • moving the cap portion 140 from the resting position 116 to the closed position 118 requires substantially only forward movement.
  • substantially only forward movement means that little or no side to side movement of the cap portion 140 is required to move from the resting position 116 to the closed position 118, or to move from the rearward portion 122 to the forward portion 120.
  • the forward portion 120 and the rearward portion 122 can be substantially coplanar, meaning that the front and back are approximately flat, or tilted relative to each other.
  • FIG. 1 shows an embodiment where the forward portion 120 is substantially flat so that it is substantially horizontal with the rearward portion angled back, away from the forward portion 120. This configuration may be useful in both presenting the opening in an upright state to the user and in helping keep the cap portion 140 from being accidentally pulled over the opening 112.
  • the forward portion 120 is tilted forward, toward the user, and the rearward portion 122 is either approximately level or tilted slightly backward.
  • the lid body 110 includes a raised surface 124 extending from an upper surface 126 of the lid body 110.
  • the raised surface 124 is a portion that extends above the major plane of the lid body 110. In some embodiments, the raised surface 124 extends above the major plane of the rearward portion 122 of the lid body 110.
  • the raised surface 124 can engage the cap portion 140 when the cap portion 140 is in the resting position 116.
  • the cap portion 140 includes a recess 142 configured to engage the raised surface 124. This engagement can be of a cooperative nature such that there is little or no force required to disengage the cap portion 140 from the raised surface 124, or can have a friction fit so that the cap portion 140 does not become inadvertently dislodged from the raised surface 124. [0029] In the detailed embodiments shown in FIGS.
  • the cap portion 140 rests on the raised surface 124 which has a rectangular horseshoe configuration including a channel 130.
  • the cap portion 140 With the raised surface 124 located in the rearward portion 122 of the lid body 110, the cap portion 140, when in the resting position 116 is located adjacent the rearward portion 122.
  • the rectangular horseshoe configuration defines the notched area 128 and the channel guides the movement of the tether 150.
  • the notched area 128 is in the major plane of the rearward portion 122 of the lid body 110.
  • the cap portion 140 may include a rectangular recess 142 configured to cooperatively interact with the rectangular horseshoe configuration of the raised surface 124. Additionally, the cap portion 140 can have a recess 142 of any suitable shape for forming a cooperative interaction with the raised surface 124, depending on the shape of the raised surface 124.
  • the slot 114 can be located adjacent the raised surface 126 or within the raised surface 124.
  • the slot can be at the base of the raised surface so that the slot is on the upper surface 126 of the lid body 110.
  • the slot is located on a side wall of the raised surface 124 and not on the upper surface of the lid body 110.
  • the raised surface 124 defines a notched area 128 and the slot 114 is located within the notched area 128.
  • the opening 112 may be surrounded by a raised peripheral lip 132 extending from the upper surface 126 of the lid body 110.
  • the raised peripheral lip 132 extends above the major plane of the frontward portion 120.
  • the cap portion 140 in these embodiments, as shown in FIG. 4, includes a peripheral channel 144 configured to engage the raised peripheral lip 132 surrounding the opening 112.
  • the raised peripheral lip 132 projects or protrudes upwardly from the upper surface 126 of the lid body 110, and when the cap is placed in the closed position 118 (as shown in FIG.3), the cap portion 140 also projects beyond the upper surface 126 of the lid body 110..
  • the cap portion 140 of one or more embodiments includes at least a pair of locking tabs 146 and lid body 110 includes at least a pair of slits 134 positioned adjacent the opening 112 to accept the locking tabs 146 to lock the cap portion 140 in the closed position 118.
  • the locking tabs 146 of specific embodiments have a bayonet style locking interaction.
  • the slits 134 in the lid body 110 can be positioned outside and adjacent the raised peripheral lip 132.
  • the locking tabs 146 include radially projecting fins 148 sized to provide an interference fit when sliding through the slits 134 into the closed position.
  • the cap portion 140 When the container is filled or no longer needed, the cap portion 140 is pulled from the resting position 116 over the opening 112 using a sliding motion and snapped in place with bayonet tabs (locking tabs 146) fitting into the slits 134 adjacent the opening 112..
  • the base (waste container) and the lid assembly of one or more embodiments are molded from thermoplastic materials.
  • the lid assembly 110 and base 200 are separate parts which can be permanently attached.
  • the term "permanently attached” means that the lid assembly cannot be easily removed from the base without specific tools designed for the purpose or without causing damage to either the base or lid assembly.
  • Suitable structures for permanently attaching the lid assembly 110 to the base 200 include, but are not limited to, protrusions 206 on an upper portion of the base 200 which fit into matching openings 136 in the lid assembly 110.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Refuse Receptacles (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Closures For Containers (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

Waste container lid assemblies (100) configured for attachment to a base (200) having a lid body (110) and cap portion (140) slidably connected by a tether (150). The lid body having an opening (112) sized to accept medical waste and restrict access to prevent individuals from reaching into the waste container through the opening. A slot (114) is in the lid body to permit slidable movement of the tether through the slot such the cap can be moved from a resting position in which the opening is configured for receiving waste to a closed position such that the cap portion covers the opening.

Description

MEDICAL WASTE CONTAINERS AND LIDS THEREFORE BACKGROUND
[0001] The present invention relates to medical waste disposal containers and lids for such containers, particularly containers for used sharp medical devices, which may require temporary and permanent closure.
[0002] The safe and efficient disposal of sharp medical devices such as surgical knives, blades, hypodermic needles and the like is a problem for medical and other healthcare facilities. Disposable containers have been developed in recent years which provide a reasonably high degree of security for disposable sharps articles and materials from hospitals and clinics. Many of these articles, such as needles and surgical blades known as sharps, and other similar articles and materials, must be disposed of in a manner to keep them out of the hands of unauthorized persons and to keep them from being reused.
[0003] The containers are normally designed to prevent the removal of materials from the container under ordinary circumstances until permanently closed. Commonly used Horizontal Entry Opening containers, which accommodate a counter-balance door restrict human access to the contents of the container by creating a torturous path when a person attempts to put their hand into the container. Unfortunately, this same restricted access can prohibit the disposal of certain objects through the opening. Any object disposed of must impact the counter-balanced door and the weight of the disposed item will rotate the door moving it out of the opening and allowing the item to drop into the container. This creates an opportunity for very light, unusually shaped or sticky items to become hung up on the door warranting additional manipulation from the user to finish the disposal of the item increasing the risk of danger to the user from contamination or needle sticks.
[0004] Accordingly, there is an ongoing need in the art for containers which restricts human access to the contents and provides an opening of sufficient size to allow disposal of large or oddly shaped items.
SUMMARY OF THE INVENTION
[0005] One or more embodiments are directed to waste containers comprising a base and a lid assembly. The base has a bottom wall, a side wall extending upwardly from the bottom wall and defining a receptacle for receiving medical waste. The lid assembly includes a lid body configured for assembly to the base and a cap portion. The cap portion is connected to the lid body and covers an opening in the lid body. The opening being sized to accept medical waste and restrict access to prevent individuals from reaching into the waste container through the opening. A tether slidably connects the cap portion to the lid body. A slot is in the lid body to permit slidable movement of the tether through the slot such the cap can be moved from a resting position such that the opening is configured for receiving waste to a closed position such that the cap portion covers the opening. In some embodiments, the cap portion and tether are integrally formed. In specific embodiments, the lid assembly is made of a thermoplastic material.
[0006] In some embodiments, the opening is located in a forward portion of the lid body and the slot is located in a rearward portion of the lid body. The tether engages the slot such that the cap portion is permitted to move forwardly and rearwardly. In detailed embodiments, the lid body includes a raised surface extending from an upper surface of the lid body that engages the cap portion when the cap portion is in the resting position. In specific embodiments, the cap portion includes a recess configured to engage the raised surface. In detailed embodiments, the forward portion and the rearward portion are tilted relative to each other.
[0007] In some embodiments, the slot is located adjacent the raised surface. In detailed embodiments, the slot is located within the raised surface. In specific embodiments, the raised surface defines a notched area, and the slot is located within the notched area.
[0008] In one or more embodiments, the opening is surrounded by a raised peripheral lip extending from an upper surface of the lid body, and the cap portion includes a peripheral channel to engage the raised peripheral lip. In detailed embodiments, the cap portion includes at least a pair of locking tabs and lid body includes at least a pair of slits positioned to accept the locking tabs to lock the cap portion in a closed position. In specific embodiments, the locking tabs include radially projecting fins sized to provide an interference fit when sliding through the slits into the closed position and prevent removal of the cap portion from the lid body. [0009] Additional embodiments of the invention are directed to waste container lid assemblies including a lid body configured for assembly to a container base. The waste container lid assembly comprises a cap portion connecting to the lid body that covers an opening in the lid body, the opening located in a forward portion of the lid body and sized to accept medical waste and restrict access to prevent individuals from reaching into the waste container through the opening. A tether engages the slot and slidably connecting the cap portion to the lid body, permitting the cap portion to move forwardly and rearwardly. A slot located in a rearward portion of the lid body to permit slidable movement of the tether through the slot such the cap can be moved from a resting position such that the opening is configured for receiving waste to a closed position such that the cap portion covers the opening.
[0010] In some embodiments, the lid body includes a raised surface extending from an upper surface of the lid body that engages the cap portion when the cap portion is in the resting position. In detailed embodiments, the cap portion includes a recess configured to engage the raised surface. In specific embodiments, the raised surface defines a notched area, and the slot is located within the notched area.
[0011] In some embodiments, the opening is surrounded by a raised peripheral lip extending from an upper surface of the lid body, and the cap portion includes a peripheral channel to engage the raised peripheral lip. In detailed embodiments, the cap portion includes at least a pair of locking tabs and lid body includes at least a pair of slits positioned to accept the locking tabs to lock the cap portion in a closed position. In specific embodiments, the locking tabs include radially projecting fins sized to provide an interference fit when sliding through the slits into the closed position and prevent removal of the cap portion from the lid body.
[0012] The various embodiments and aspects of the invention described here can be employed individually or in conjunction.
BRIEF DESCRIPTION OF THE DRAWINGS [0013] FIG. 1 is a top front perspective view of a medical waste container with a lid assembly according to one or more embodiments in which the cap portion is in the open resting position;
[0014] FIG. 2 is a top rear perspective view of a medical waste container lid assembly according to one or more embodiments with the cap portion in the open resting position; [0015] FIG. 3 is a top front perspective view of a waste container lid assembly with the cap portion in the closed position;
[0016] FIG. 4 is a bottom front perspective view of a cap portion of a lid assembly in accordance with one or more embodiments of the invention; and [0017] FIG. 5 is a top rear perspective view of a cap portion of a lid assembly in accordance with one or more embodiments of the invention.
DETAILED DESCRIPTION
[0018] Before describing several exemplary embodiments of the invention, it is to be understood that the invention is not limited to the details of construction or process steps set forth in the following description. The invention is capable of other embodiments and of being practiced or being carried out in various ways.
[0019] Embodiments of the invention are directed to medical waste container tops and closures with a redesigned access opening which fits existing sharps collector bases for a patient room sharps collector. The closure of various embodiments is retained to the top via a tether near, but not over, the opening allowing unobstructed access to the opening during use. The top, with closure, may be snapped onto a base which is then placed into a patient room wall mounted cabinet or bracket. The opening is accessible for one handed disposal of sharps and medical waste during normal use. After the collector is full, the closure is snapped and locked over the opening for disposal. [0020] Embodiments of the invention are intended for vertical disposal of sharps waste as opposed to horizontal disposal. For example, a syringe can be disposed of by dropping the syringe (e.g., point first) into the collector as opposed to a horizontal orientation as in alternate designs. The smaller open vertical entry design restricts human access to the contents by having a reduced opening size large enough for disposal of sharps and medical waste, but small enough to prohibit the insertion of hands.
[0021] The straight through design of the vertical entry opening allows for the free fall disposal of items when disposed of into the container. Items such as blood collection units with tubing attached can be fed into the opening and dropped without the need for additional manipulation from the user. By eliminating the horizontal entry counter-balanced door and utilizing the straight through vertical entry, there is nothing present which may impede disposal of certain items. Many users have higher disposal rates of unusually shaped devices and need to be able to dispose of the items in a consistent and safe manner.
[0022] The present invention pertains to a waste container lid and waste containers including such lids. FIGS. 1-5 show an exemplary embodiment a waste container lid assembly 100. The lid assembly 100 is configured for assembly to a base 200. The base 200 includes a bottom wall 202, at least one side wall 204 extending upwardly from the bottom wall 202. The at least one side wall 204 and the bottom wall 202 forming and defining a receptacle suitable for receiving medical waste. The bottom wall 202 and at least one side wall 204 of the base 200 can be integrally formed so that the base appears to be an integrally formed single unit. Any suitable base 200 can be employed and it should be understood that the invention is not limited to any particular style or material.
[0023] The lid assembly 100 is composed of two main parts, a lid body 110 and a cap portion 140. The cap portion 140 is connected to the lid body 110 and, in one position, covers an opening 112 in the lid body 110. The opening 112 is sized to accept medical waste and restrict access to prevent individuals from reaching into the waste container through the opening 112. The opening 112 can be any suitable size or shape. For example, the opening 112 shown in the Figures is oval shaped. In various embodiments, the opening 112 is round, oval, square, rectangular, oblong, trapezoidal, rhomboid, rectangular with rounded corners. It should be understood that these shapes are merely illustrative of possible openings and that other shapes may be employed.
[0024] The lid body 110 and the cap portion 140 are connected by a tether 150. The tether 150 can be integrally formed with the cap portion 140, as shown in FIGS. 4 and 5, or can be separate components with a suitable connection. The tether 150 slidably connects the cap portion 150 to the lid body 110 via a slot 114 in the lid body 110. The tether is sized to allow the cap to slide between the open or resting position in FIG. 1 and the closed position in FIG. 3. The slot permits slidable movement of the tether 150 through the slot such that the cap portion 140 can be moved from a resting position 116 to a closed position 118. As shown in FIGS. 4 and 5, the tether 150 may include a barb 152 suitable for preventing the cap portion 140 from becoming disconnected from the lid body 110. The barb 152 of some embodiments has a tapered shape with a narrow end 154 flaring to a wide portion 156. The wide portion 156 being sized slightly larger than the slot 114. This enables the tether to be inserted through the slot 114 from the narrow end 154 and prevents the tether 150 from being completely removed from the slot 114 by interaction of the wide portion 156 with the slot 114. This barb 152 may also be referred to as a bayonet style locking tab.
[0025] In the resting position 116 (see FIG. 1), the cap portion 140 is positioned such that the opening 112 is configured for received waste. In some embodiments, when the cap portion 140 is positioned in the resting position 116, the opening 112 is unobstructed by the cap portion 140. In the closed position 118, the cap portion 140 covers the opening 112. In detailed embodiments, in the closed position 118, the cap portion 140 covers the opening 112 and substantially completely obstructs the opening and permanently closes the lid assembly, preventing access to the contents of the base 200. As used in this specification and the appended claims, "permanently closing" refers to a condition in which the contents of the container cannot be accessed through the opening without using either a tool specifically designed to remove the cap portion 140 from the opening 112 or requiring the substantial destruction of at least a portion of the lid assembly. In other words, permanently closing is intended to lock the container to prevent unauthorized access of the container after it has been locked by a medical practitioner and the container is ready for disposal.
[0026] In some embodiments, the opening 112 is located in a forward portion 120 of the lid body 110 and the slot 114 is located in a rearward portion 122 of the lid body 110. Stated differently, the opening 112 is a hole through the major plane of the forward portion 120 and the slot is an elongate hole in the major plane of the rearward portion 122 of the lid body 110. The tether 150 engages the slot 114 such that the cap portion 140 is permitted to move forwardly and rearwardly along path 113. In detailed embodiments, moving the cap portion 140 from the resting position 116 to the closed position 118 requires substantially only forward movement. As used in this specification and the appended claims, the term "substantially only forward movement" means that little or no side to side movement of the cap portion 140 is required to move from the resting position 116 to the closed position 118, or to move from the rearward portion 122 to the forward portion 120.
[0027] The forward portion 120 and the rearward portion 122 can be substantially coplanar, meaning that the front and back are approximately flat, or tilted relative to each other. FIG. 1, shows an embodiment where the forward portion 120 is substantially flat so that it is substantially horizontal with the rearward portion angled back, away from the forward portion 120. This configuration may be useful in both presenting the opening in an upright state to the user and in helping keep the cap portion 140 from being accidentally pulled over the opening 112. In other embodiments, the forward portion 120 is tilted forward, toward the user, and the rearward portion 122 is either approximately level or tilted slightly backward. [0028] In some embodiments, the lid body 110 includes a raised surface 124 extending from an upper surface 126 of the lid body 110. Stated differently, the raised surface 124 is a portion that extends above the major plane of the lid body 110. In some embodiments, the raised surface 124 extends above the major plane of the rearward portion 122 of the lid body 110. The raised surface 124 can engage the cap portion 140 when the cap portion 140 is in the resting position 116. In detailed embodiments, as shown in FIG. 3, the cap portion 140 includes a recess 142 configured to engage the raised surface 124. This engagement can be of a cooperative nature such that there is little or no force required to disengage the cap portion 140 from the raised surface 124, or can have a friction fit so that the cap portion 140 does not become inadvertently dislodged from the raised surface 124. [0029] In the detailed embodiments shown in FIGS. 2 and 3, the cap portion 140 rests on the raised surface 124 which has a rectangular horseshoe configuration including a channel 130. With the raised surface 124 located in the rearward portion 122 of the lid body 110, the cap portion 140, when in the resting position 116 is located adjacent the rearward portion 122. The rectangular horseshoe configuration defines the notched area 128 and the channel guides the movement of the tether 150. In detailed embodiment, the notched area 128 is in the major plane of the rearward portion 122 of the lid body 110. When in the resting position 116, the cap portion 140 can rest over the raised surface 124 so that the waste can be disposed within the container through the opening 112. The cap portion 140 may include a rectangular recess 142 configured to cooperatively interact with the rectangular horseshoe configuration of the raised surface 124. Additionally, the cap portion 140 can have a recess 142 of any suitable shape for forming a cooperative interaction with the raised surface 124, depending on the shape of the raised surface 124.
[0030] The slot 114 can be located adjacent the raised surface 126 or within the raised surface 124. For example, the slot can be at the base of the raised surface so that the slot is on the upper surface 126 of the lid body 110. In detailed embodiments, the slot is located on a side wall of the raised surface 124 and not on the upper surface of the lid body 110. In specific embodiments, as seen in the Figures, the raised surface 124 defines a notched area 128 and the slot 114 is located within the notched area 128.
[0031] Referring to FIG. 1, the opening 112 may be surrounded by a raised peripheral lip 132 extending from the upper surface 126 of the lid body 110. The raised peripheral lip 132 extends above the major plane of the frontward portion 120. The cap portion 140 in these embodiments, as shown in FIG. 4, includes a peripheral channel 144 configured to engage the raised peripheral lip 132 surrounding the opening 112. As seen in FIG. 1, the raised peripheral lip 132 projects or protrudes upwardly from the upper surface 126 of the lid body 110, and when the cap is placed in the closed position 118 (as shown in FIG.3), the cap portion 140 also projects beyond the upper surface 126 of the lid body 110..
[0032] As shown in FIGS. 4 and 5, the cap portion 140 of one or more embodiments includes at least a pair of locking tabs 146 and lid body 110 includes at least a pair of slits 134 positioned adjacent the opening 112 to accept the locking tabs 146 to lock the cap portion 140 in the closed position 118. The locking tabs 146 of specific embodiments have a bayonet style locking interaction. The slits 134 in the lid body 110 can be positioned outside and adjacent the raised peripheral lip 132. In detailed embodiment, the locking tabs 146 include radially projecting fins 148 sized to provide an interference fit when sliding through the slits 134 into the closed position. When the container is filled or no longer needed, the cap portion 140 is pulled from the resting position 116 over the opening 112 using a sliding motion and snapped in place with bayonet tabs (locking tabs 146) fitting into the slits 134 adjacent the opening 112..
[0033] The base (waste container) and the lid assembly of one or more embodiments are molded from thermoplastic materials. In detailed embodiments, the lid assembly 110 and base 200 are separate parts which can be permanently attached. As used in this specification and the appended claims, the term "permanently attached" means that the lid assembly cannot be easily removed from the base without specific tools designed for the purpose or without causing damage to either the base or lid assembly. Suitable structures for permanently attaching the lid assembly 110 to the base 200 include, but are not limited to, protrusions 206 on an upper portion of the base 200 which fit into matching openings 136 in the lid assembly 110. [0034] Reference throughout this specification to "one embodiment," "certain embodiments," "one or more embodiments" or "an embodiment" means that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. Thus, the appearances of the phrases such as "in one or more embodiments," "in certain embodiments," "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily referring to the same embodiment of the invention. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments.
[0035] Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the method and apparatus of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention include modifications and variations that are within the scope of the appended claims and their equivalents.

Claims

What is claimed is:
1 A waste container comprising:
a base having a bottom wall, a side wall extending upwardly from the bottom wall and defining a receptacle for receiving medical waste; and
a lid assembly including a lid body configured for assembly to the base,
a cap portion connected to the lid body that covers an opening in the lid body, the opening sized to accept medical waste and restrict access to prevent individuals from reaching into the waste container through the opening,
a tether slidably connecting the cap portion to the lid body, and a slot in the lid body to permit slidable movement of the tether through the slot such the cap can be moved from a resting position such that the opening is configured for receiving waste to a closed position such that the cap portion covers the opening.
2. The waste container of claim 1, wherein the opening is located in a forward portion of the lid body and the slot is located in a rearward portion of the lid body, the tether engages the slot such that the cap portion is permitted to move forwardly and rearwardly.
3. The waste container of claim 2, wherein the lid body includes a raised surface extending from an upper surface of the lid body that engages the cap portion when the cap portion is in the resting position.
4. The waste container of claim 3, wherein the cap portion includes a recess configured to engage the raised surface.
5. The waste container of any of claims 1-4, wherein the slot is located adjacent the raised surface.
6 The waste container of any of claims 1-4, wherein the slot is located within the raised surface.
The waste container of claim 6, wherein the raised surface defines a notched area, and the slot is located within the notched area.
The waste container of any of the preceding claims, wherein the opening is surrounded by a raised peripheral lip extending from an upper surface of the lid body, and the cap portion includes a peripheral channel to engage the raised peripheral lip.
The waste container of claim 8, wherein the cap portion includes at least a pair of locking tabs and lid body includes at least a pair of slits positioned to accept the locking tabs to lock the cap portion in a closed position.
The waste container of claim 9, wherein the locking tabs include radially projecting fins sized to provide an interference fit when sliding through the slits into the closed position and prevent removal of the cap portion from the lid body.
The waste container of any of the preceding claims, wherein the cap portion and tether are integrally formed.
The waste container of any of claims 2-11, wherein the forward portion and the rearward portion are tilted relative to each other.
The waste container of any of the preceding claims, wherein the lid assembly is made of a thermoplastic material.
A waste container lid assembly including a lid body configured for assembly to a container base, the waste container lid assembly comprising:
a cap portion connected to the lid body that covers an opening in the lid body, the opening located in a forward portion of the lid body and sized to accept medical waste and restrict access to prevent individuals from reaching into the waste container through the opening; a tether engaging the slot and slidably connecting the cap portion to the lid body, permitting the cap portion to move forwardly and rearwardly; and
a slot located in a rearward portion of the lid body to permit slidable movement of the tether through the slot such the cap can be moved from a resting position such that the opening is configured for receiving waste to a closed position such that the cap portion covers the opening.
The waste container of claim 14, wherein the lid body includes a raised surface extending from an upper surface of the lid body that engages the cap portion when the cap portion is in the resting position.
The waste container of claim 15, wherein the cap portion includes a recess configured to engage the raised surface.
The waste container of any of claims 15-16, wherein the raised surface defines notched area, and the slot is located within the notched area.
18. The waste container of any of claims 14-17, wherein the opening is surrounded by a raised peripheral lip extending from an upper surface of the lid body, and the cap portion includes a peripheral channel to engage the raised peripheral lip.
19. The waste container of claim 18, wherein the cap portion includes at least a pair of locking tabs and lid body includes at least a pair of slits positioned to accept the locking tabs to lock the cap portion in a closed position.
20. The waste container of claim 19, wherein the locking tabs include radially projecting fins sized to provide an interference fit when sliding through the slits into the closed position and prevent removal of the cap portion from the lid body.
EP12767158.4A 2011-09-30 2012-09-12 Medical waste containers and lids therefore Active EP2760364B1 (en)

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US13/250,501 US9320567B2 (en) 2011-09-30 2011-09-30 Medical waste containers and lids therefore
PCT/US2012/054788 WO2013048732A1 (en) 2011-09-30 2012-09-12 Medical waste containers and lids therefore

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EP2760364B1 EP2760364B1 (en) 2016-11-02

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JP (1) JP6301835B2 (en)
CN (1) CN103945787B (en)
AU (2) AU2012316584B2 (en)
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ES (1) ES2613588T3 (en)
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CA2850602A1 (en) 2013-04-04
AU2012316584B2 (en) 2016-09-08
SG11201401121RA (en) 2014-08-28
EP2760364B1 (en) 2016-11-02
US9561084B2 (en) 2017-02-07
AU2016266015B2 (en) 2018-03-29
AU2016266015A1 (en) 2016-12-15
US20160193004A1 (en) 2016-07-07
CA2850602C (en) 2019-03-26
ES2613588T3 (en) 2017-05-24
CN103945787A (en) 2014-07-23
US20170100200A1 (en) 2017-04-13
CN103945787B (en) 2017-04-26
WO2013048732A1 (en) 2013-04-04
US9320567B2 (en) 2016-04-26
US20130081965A1 (en) 2013-04-04
JP6301835B2 (en) 2018-03-28
US9775683B2 (en) 2017-10-03
AU2012316584A1 (en) 2014-04-17
JP2014528882A (en) 2014-10-30

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